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%pa format already prints in hexadecimal format, so remove the '0x' annotation
to avoid a double '0x0x' pattern.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Error reported at http://marc.info/?l=linux-rdma&m=138995755801039&w=2
Fix short to int cast for big endian systems.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Remove including <linux/version.h> that don't need it.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This is called from qp_grp_and_vf_bind() and we are holding the
vf->lock so the allocation can't sleep.
Fixes: e3cf00d0a87f ('IB/usnic: Add Cisco VIC low-level hardware driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The variable qp_grp is initialized but never used otherwise, so remove
the unused variable.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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usNIC userspace/kernel ABI should be set to 4 instead of 3.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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usNIC default transport is UDP. Hence, advertise RDMA_NODE_USNIC_UDP
by default for usNIC devices.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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usNIC needs inet notifiers to function correctly, so add a Kconfig
dependency on CONFIG_INET.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Fix sparse endianness related warnings.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Add comment describing usnic_transport_rsrv port and remove
extraneous space from usnic_transport.c.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Signed-off-by: Roland Dreier <roland@purestorage.com>
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Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Use for_each_sg() instead of an explicit for-loop to iterate over
scatter-gather list.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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UDP support for qp_grps/qps.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Add supports for:
1) Parsing the socket file descriptor pass down from userspace.
2) IP notifiers
3) Encoding the IP in the GID
4) Other aux. changes to support UDP
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch provides API for rest of usNIC code to increment or decrement
socket's reference count. Auxiliary socket APIs are also provided.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Add *ip field* to *struct usnic_fwd_dev* as well as new *functions* to
manipulate the *ip field.* Furthermore, add new functions for
programming UDP flows in the forwarding device.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Expand the kernel/userspace interface so userspace may push down
a socket file descriptor to usNIC. Also, bump up the abi and version
numbers.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch ports usnic_ib_sysfs.c to the new interface of
usnic_fwd.h.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch ports usnic_ib_qp_grp.[hc] to the new interface
of usnic_fwd.h.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch ports usnic_ib_main.c, usnic_ib_verbs.c and usnic_ib.h
to the new interface of usnic_fwd.h.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Push all of the usnic device forwarding state - such as mtu, mac - to
usnic_fwd_dev. Furthermore, usnic_fwd.h exposes a improved interface
for rest of the usnic code. The primary improvement is that
usnic_fwd.h's flow management interface takes in high-level *filter*
and *action* structures now, instead of low-level paramaters such as
vnic_idx, rq_idx.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Add *struct usnic_transport_spec* for passing around transport
specifications.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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usNIC calls WARN_ON(spin_is_locked..) at few places. In some of these
instances, the call is made while holding a spinlock. Change
all WARN_ON(spin_is_locked...) calls in usNIC to
lockdep_assert_held to make it fool-proof bc the latter can be
called while holding a spinlock and unlike spin_is_locked,
lockdep_assert_held also works correctly on UP.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This adds a driver that allows userspace to use UD-like QPs over a
proprietary Cisco transport with Cisco's Virtual Interface Cards (VICs),
including VIC 1240 and 1280 cards.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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